Characteristics of a Digital Image

It can be captured _____1_____ ways:
– By camera
– By an image scanner
– By Cell phone

Is stored on a Flash Drive, Memory Card, or
Computer as _____ 2 ____ data called __3__
(i.e., 01010110)
 Memory Card and Flash Drives are ___4_____
technologies known as “Solid State Storage”
 Is _________5___________ by the camera or
computer
There are __6__ types of Memory Cards
or Flash Drives

San Disk Cards –

Sony Cards –

Fuji Cards -
[Photo Courtesy of: http://sandisk.com]
Memory Cards or Flash Drives
Are a __7__ changing technology
 Come in various __8__ and __9__ (e.g.,
500mb, 1gb, 4gb, 128gb, etc.)
 ___________10___________ before
they are FULL!
 Take a minute to look at one of the
major manufacturer web sites:

http://sandisk.com/consumer-products
Importing Images from a
Memory Card to a Computer





Most cameras come with a ___11___
cable
___12____ readers direct connect to
your computer and fit many types of
Memory Cards
Connections are via the ___13___ on
your computer
Newer computers have ___14___
Memory Card readers
A computer _________15_________
before it FILLS up!
Image Quality Key Terms
(see definition on Wikipedia for each)

Pixel - An abbreviation of the words “____16______”. Is a
measurement of the resolution in a digital camera.

Image Resolution – A ____________17________________
that can be recorded in a digital image. The higher the number,
the greater the image quality.

DPI (___18____) – Is a measure of image density in terms of
the number of individual dots recorded in a 1 inch by 1 inch
square dimension. Tends to correlate to an images resolution

MegaPixel - A megapixel is _____19______, and is a term
used to express the ability of a digital camera to take high
quality pictures.
Image Quality and Computer Storage
Most images are captured and stored
on a Memory Card or Computer Hard
Drive in _____20_____
 _21_ – an abbreviation for Kilobytes
 The _______22_______used on the
camera, the _____23_____ and
_____24_____ that will result
 The larger the image or file size, the
larger the Memory Card or Computer
Hard Disk Drive you will need

Converting Kilobytes…
Know how to use the conversion
calculator found on this web site:

http://www.calculatorfreeonline.com/converters/co
mputerstorage.php
Also know how to determine the number
of images that will fit on

–
–
–
an 8 GB Memory Card
a 100 GB godaddy.com Web Hosting Plan
Convert Hard Drive size from Gigabytes to
Kilobytes, then divide by Image Size
Photo Capture Assignment Example
Image tags can be found by
“_____25______” on the picture
Image Computer File Formats


__26__ – Is a compressed image format.
Very common on the Internet for its smaller
size and portability
Search wikipedia.org for
“______27_____”
Adobe Photoshop

Is used to ___28____ images into JPEG format
• There are _29__ main levels of JPEG compression
(Max, High, Med, and Low).
• When an image is compressed, it’s computer file size
is reduced, but it’s quality is not diminished
• Compressed JPEG images are the most common
images found on web sites




Is used to change an ___30___ (for example,
from 5x7” to Billboard size, etc.)
Is used to adjust ___31___, hue/saturation, and
balance
Is used to ______32_______ two images into
one
Has many other ___33___ for creating graphic
designs
High Quality vs. Low Quality Images

Use ____34____ Images When:
–
–

It’s a ____35_____ such as family picture or
art work
You want to blow an image up to larger sizes
(e.g., Billboard, etc.)
Use ____36____ Images When:
–
–
–
You’re out having fun with friends or family
You’re publishing __37___, so your web
pages load faster for visitors
To ___38___ on your Memory Card or
Computer Hard Drive